package operation;

import book.BookList;

public class ExitOperation implements IOperation{

    public void work(BookList bookList){
        System.out.println("退出系统");
        int currentSize = bookList.getUsedsize();
        for (int i = 0; i < currentSize; i++) {
            bookList.setBook(i,null);
        }
        System.exit(0);
    }
}
